22/05/2023
Failing your car's MOT can be a disheartening experience, often leaving you wondering what to do next. It's a common scenario for many motorists across the UK, but it's important to remember that an MOT failure isn't the end of the road for your vehicle. Instead, it's a clear indication that certain aspects of your car require attention to ensure it remains safe and roadworthy. Understanding the outcome of your MOT test and knowing the correct steps to take afterwards is crucial for both your safety and your legal standing.

This guide will walk you through everything you need to know after receiving a dreaded 'fail' on your MOT certificate. From deciphering the different types of defects to navigating repair options, retesting procedures, and even appealing a decision, we'll cover it all. Our aim is to equip you with the knowledge and confidence to handle the situation efficiently, minimise stress, and get your vehicle back on the road legally and safely as quickly as possible.
Understanding Your MOT Test Certificate (VT30)
The first and most critical step after a failed MOT is to thoroughly review your VT30 'Refusal of an MOT Test Certificate'. This document is not just a piece of paper; it's your detailed report on why your vehicle didn't pass. It clearly outlines all the defects found during the test, categorising them according to their severity. Understanding these categories is paramount, as they dictate what you must do next and how quickly.
Categories of Defects:
- Dangerous Defects: These are issues that pose an immediate and significant risk to road safety or have a serious impact on the environment. If your vehicle has a dangerous defect, it is deemed unsafe to drive on public roads. Doing so could result in a fine, penalty points, or even a court summons. You cannot legally drive the vehicle until these defects are rectified.
- Major Defects: These defects identify issues that could affect the vehicle's safety, impact the environment, or indicate that the vehicle is not roadworthy. While serious, they are not as immediately critical as 'dangerous' defects. You must get these repaired before your vehicle can pass its MOT. If your existing MOT certificate is still valid, you may be able to drive the vehicle until its expiry date, provided there are no dangerous defects. However, it is advisable to get them fixed as soon as possible.
- Minor Defects: These are issues that do not pose a significant risk to safety or the environment but should be repaired soon. They will result in an MOT pass, but they are noted on the certificate as a warning.
- Advisories: These are items that are not currently a defect but could become one in the future. They are for your information and do not affect the MOT result, but it's wise to monitor and address them proactively to prevent future failures.
Pay close attention to the dangerous and major defects listed. These are the items that prevented your car from passing and must be addressed. The certificate will also provide brief descriptions of each defect, which can be helpful when discussing repairs with a mechanic.
Your Options After a Failed MOT
Once you understand the reasons for the failure, you have several paths you can take. Your decision will largely depend on the severity of the defects and your personal circumstances.
Option 1: Get Repairs Done and Retest Immediately
This is the most common and often the most straightforward option. If your vehicle has failed, you'll need to get the identified defects repaired. Where and how you do this can affect your retest options and costs.
Repairs at the Original Test Centre:
If you have the repairs carried out at the same MOT test centre that conducted the initial test, you may be eligible for a free partial retest. For this to happen, the vehicle must be left at the test centre for repair and retested within 10 working days. The free retest applies to certain items that can be checked quickly, such as:
- Brakes
- Tyres
- Lights
- Steering and Suspension components
- Windscreen wipers and washers
- Horn
- Number plates
- Seatbelts
- Emissions (exhaust system, fuel system)
If the vehicle is taken away from the test centre for repair, you typically have 10 working days to bring it back for a free retest, provided the repairs fall into the 'free retest' category. If it's brought back after 10 working days, a full retest fee may apply.
Repairs at a Different Garage:
You are not obliged to have the repairs done at the original test centre. You can take your vehicle to any garage of your choice, or even perform the repairs yourself if you have the necessary skills and tools. However, if you choose to have repairs done elsewhere, or if you bring the vehicle back to the original test centre outside the 10-working-day window, you will likely incur a retest fee. This fee is usually less than a full MOT test but can vary between garages. Always confirm the retest fee upfront.
Option 2: Appeal the MOT Result
While less common, you have the right to appeal an MOT test result if you believe it was incorrect. This option is typically pursued if you genuinely feel that the defects listed are inaccurate or that the test was not conducted fairly.
How to Appeal:
- Do not get the vehicle repaired: If you repair the vehicle, the DVSA (Driver and Vehicle Standards Agency) won't be able to properly assess the original failure points.
- Contact the DVSA: You must contact the DVSA within 14 working days of the test date to complain. You'll need to fill out a VT17 form.
- DVSA Re-examination: The DVSA will arrange for a different examiner to re-examine your vehicle. You will have to pay a fee for this re-examination, which will be refunded if your appeal is successful.
- Outcome: If the DVSA finds that the original test was incorrect, your appeal will be upheld, and you'll receive a new MOT certificate or a refund of your test fee. If the DVSA confirms the original failure, you will not receive a refund, and you'll still need to get the repairs done.
Appealing should be considered carefully, as it can be a lengthy process and may not always yield the desired outcome. It's usually best reserved for situations where there's a clear dispute over the validity of the test findings.
Driving with a Failed MOT
This is a critical point that many motorists misunderstand. Generally, it is illegal to drive a vehicle on public roads if it has failed its MOT and the previous MOT certificate has expired. However, there are two specific exceptions:
- Driving to a pre-booked MOT test: You can drive your vehicle to a pre-booked MOT test appointment, provided it is roadworthy.
- Driving to a place of repair: You can drive your vehicle to a garage for repairs necessary to pass the MOT, again, provided it is roadworthy.
The crucial caveat here is 'roadworthy'. If your vehicle has 'dangerous' defects, it is *not* considered roadworthy, and you absolutely cannot drive it on the road, even to an MOT test or garage. You would need to arrange for it to be towed or transported. Driving a vehicle with dangerous defects, or with an expired MOT, could lead to significant fines, points on your license, and invalidate your insurance. Always check your insurance policy regarding driving with a failed MOT.
Approaching Repairs: DIY vs. Professional
Once you've decided to proceed with repairs, you'll need to determine whether to tackle them yourself or enlist the help of a professional mechanic.
Do-It-Yourself (DIY) Repairs:
If you have the mechanical expertise, the right tools, and a safe environment, performing some repairs yourself can save money. Common DIY fixes might include replacing bulbs, topping up fluids, checking tyre pressures, or even replacing windscreen wipers. However, for more complex issues like brake system repairs, suspension work, or exhaust system issues, professional help is usually advisable due to the technical knowledge, specialist tools, and safety considerations involved. Remember, any DIY repair must meet the MOT standards to ensure a pass.
Professional Mechanic Repairs:
For most major and dangerous defects, it's best to use a qualified mechanic. They have the expertise, equipment, and experience to diagnose and fix problems correctly and efficiently. Here are some tips for choosing a garage:
- Get Multiple Quotes: Don't just go with the first quote. Obtain at least two or three detailed quotes for the necessary repairs. Ensure the quotes specify parts and labour costs.
- Check Reviews: Look for garages with good reputations and positive customer reviews.
- Ask for Guarantees: Inquire about warranties on parts and labour.
- Transparency: A good garage will explain the repairs needed clearly and show you the faulty parts if you wish.
Common MOT Failure Points & Estimated Repair Costs
While costs can vary significantly based on vehicle make/model, location, and garage rates, here's a general idea of common failure points and potential repair costs in the UK:
| Common Failure Point | Typical Repair (Example) | Estimated Cost Range (GBP) | Severity (Commonly) |
|---|---|---|---|
| Lighting & Signalling | Blown bulb replacement | £5 - £30 | Minor/Major |
| Tyres | New tyre (per tyre) | £50 - £150+ | Major/Dangerous |
| Brakes | Brake pads and discs (per axle) | £150 - £400+ | Major/Dangerous |
| Suspension | Shock absorber replacement | £100 - £300+ | Major/Dangerous |
| Visibility | Wiper blades replacement | £10 - £40 | Minor/Major |
| Exhaust System | Minor exhaust repair/clamp | £50 - £150 | Major |
| Emissions | Lambda sensor replacement | £100 - £300+ | Major |
| Steering | Track rod end replacement | £80 - £200 | Major/Dangerous |
These are just estimates, and complex issues can significantly increase costs. Always get a detailed quote before authorising any work.
The Retest Process
Once your repairs are complete, it's time for the retest. As mentioned, if you returned the vehicle to the original test centre within 10 working days, and the repairs fall within the free retest category, you may not pay anything. Otherwise, a partial retest fee will apply. The retest will only focus on the items that failed the initial test, ensuring they now meet the required standards.
If your vehicle passes the retest, you'll be issued with a new MOT certificate (VT20), valid for 12 months from the date of the retest. If it fails again, you'll be back to square one, needing further repairs and another retest. This highlights the importance of ensuring all defects are thoroughly addressed the first time.
Preventative Measures for Future MOTs
While a failed MOT can be frustrating, it also serves as a valuable reminder to maintain your vehicle regularly. Proactive maintenance can significantly reduce the chances of future failures and save you money in the long run.
- Regular Servicing: Adhere to your manufacturer's recommended service schedule. A full service often includes checks that overlap with MOT requirements, identifying potential issues before they become failures.
- Pre-MOT Checks: Before your annual MOT, perform some basic checks yourself. These include:
- Lights: Check all exterior lights (headlights, sidelights, indicators, brake lights, fog lights, reverse lights, number plate lights) are working and clean.
- Tyres: Ensure tyres have adequate tread depth (minimum 1.6mm across the central three-quarters of the tread around the entire circumference), are free from cuts or bulges, and are correctly inflated. Don't forget the spare if applicable.
- Wipers and Washers: Check that your windscreen wipers clear the screen effectively and that the washer fluid reservoir is topped up.
- Fluid Levels: Ensure engine oil, brake fluid, power steering fluid, and coolant are at the correct levels.
- Horn: Test that your horn works.
- Brakes: Listen for any grinding noises or feel for sponginess.
- Number Plates: Ensure they are clean, legible, and correctly displayed.
- Mirrors: Check all mirrors are intact and secure.
- Keep it Clean: A clean car, especially the windows, mirrors, and lights, can sometimes prevent minor advisories.
Frequently Asked Questions (FAQs)
Can I drive my car after a failed MOT?
Generally, no, if your previous MOT has expired. You can only drive it to a pre-booked MOT test or to a garage for repairs, *provided* there are no 'dangerous' defects and the vehicle is deemed roadworthy. If it has 'dangerous' defects, you cannot drive it at all; it must be transported.
How long do I have to fix a failed MOT?
There's no strict legal deadline to fix the vehicle, but you cannot legally drive it on public roads if its current MOT has expired and it has failed. If you get it repaired and retested at the same centre within 10 working days, you might qualify for a free retest on many items. Otherwise, a retest fee will apply.
What's the difference between 'major' and 'dangerous' defects?
'Dangerous' defects pose an immediate and significant risk to road safety, meaning the car cannot be driven at all until repaired. 'Major' defects affect the vehicle's safety or environmental impact but are not immediately critical to the same extent; you may be able to drive it if your existing MOT is still valid, but repairs are mandatory for a pass.
Can I get a retest at a different garage?
Yes, you can. However, you will likely incur a retest fee, which is usually less than a full MOT but more than a free retest at the original garage. The retest will still focus on the failed items.
What if I don't agree with the MOT result?
You can appeal the decision to the DVSA. You must not get the vehicle repaired and contact the DVSA within 14 working days of the test. They will arrange for a re-examination, for which you'll pay a fee that's refunded if your appeal is successful.
Will my insurance be valid if my car has a failed MOT?
Most insurance policies require your vehicle to be roadworthy and legally compliant. Driving with a failed MOT, especially if it has expired or has dangerous defects, could invalidate your insurance, leaving you uninsured in the event of an accident.
Conclusion
A failed MOT can feel like a setback, but it's an essential part of ensuring road safety in the UK. By understanding your MOT certificate, knowing your options for repair and retesting, and being aware of the legal implications of driving a failed vehicle, you can navigate the process with confidence. Prioritising prompt and thorough repairs, whether DIY or by a professional, is key to getting your vehicle back on the road safely and legally. Remember, regular maintenance is your best defence against future MOT failures, keeping you and other road users safe.
If you want to read more articles similar to MOT Failure: Your Next Steps Explained, you can visit the MOT category.
